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Finding the Fourth Proportional to 61,119.84, 91,560.48 and 29,053.32

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Solution

The fourth proportional to 61,119.84, 91,560.48 and 29,053.32 is: 43,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,119.84 : 91,560.48 = 29,053.32 : x
  2. Step 2: Convert to fraction form
    61,119.84/91,560.48 = 29,053.32/x
  3. Step 3: Cross multiply
    61,119.84x = 91,560.48 × 29,053.32
  4. Step 4: Simplify right side
    61,119.84x = 2,660,135,924.79
  5. Step 5: Solve for x
    x = 2,660,135,924.79/61,119.84
  6. Step 6: Final answer
    x = 43,523.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.